Lots of hiking trails in the area.
Freycinet National Park:
http://www.discovertasmania.com.au/about/national-parks-and-wilderness/freycinet-national-park-wineglass-bay
http://www.parks.tas.gov.au/?base=3363
https://www.ytravelblog.com/freycinet-national-park-tasmania/
http://www.australia.com/en-us/places/freycinet.html
More penguins in Bicheno, about 30 km north of Coles Bay:
https://www.bichenopenguintours.com.au/